Method of separating serum from whole blood

(19)

(11)

EP 0 937 981 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	14.02.2001 Bulletin 2001/07

(43)	Date of publication A2:
	25.08.1999 Bulletin 1999/34

(21)	Application number: 99102722.8

(22)	Date of filing: 18.02.1999

(51)	International Patent Classification (IPC)⁷: G01N 33/49, G01N 35/10

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

19.02.1998 JP 3760698

(71)	Applicant: Fuji Photo Film Co., Ltd.
	Kanagawa-ken (JP)

(72)	Inventors:
	Kitajima, Masao Asaka-shi, Saitama (JP) Higo, Akemi Asaka-shi, Saitama (JP) Tezuka, Shigeru Asaka-shi, Saitama (JP)

(74)	Representative: Weisert, Annekäte, Dipl.-Ing. Dr.-Ing. et al
	Patentanwälte Kraus & Weisert Thomas-Wimmer-Ring 15 80539 München 80539 München (DE)

(54)	Method of separating serum from whole blood

(57) The method of the invention is of separating serum portion from whole blood which comprises inserting a suction nozzle provided with an agglutinate stopper at the lower end into whole blood wherein fibrins deposited placed in a vessel at an insertion speed of 30 cm/sec or less, and keeping suction pressure of the suction nozzle at 400 mm Hg or less, and thereby, serum can be obtained without hemolysis to raise reliability of the analytical results.

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